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All results from a given calculation for BeOH (beryllium monohydroxide)

using model chemistry: B2PLYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
1 2 no C*V 2Σ

Conformer 1 (CS)

Jump to S1C2
Energy calculated at B2PLYP/6-31+G**
 hartrees
Energy at 0K-90.492687
Energy at 298.15K-90.492251
HF Energy-90.422482
Nuclear repulsion energy17.443697
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B2PLYP/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 4081 3887 171.89      
2 A' 1272 1212 143.99      
3 A' 163 156 206.07      

Unscaled Zero Point Vibrational Energy (zpe) 2758.2 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 2627.0 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B2PLYP/6-31+G**
ABC
95.07459 1.28542 1.26827

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.035 -0.368 0.000
Be2 0.035 1.036 0.000
H3 -0.424 -1.201 0.000

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.40330.9515
Be21.40332.2831
H30.95152.2831

picture of beryllium monohydroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be2 O1 H3 151.100
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.692      
2 Be 0.309      
3 H 0.384      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.740 0.020 0.000
y 0.020 4.412 0.000
z 0.000 0.000 4.604


<r2> (average value of r2) Å2
<r2> 14.365
(<r2>)1/2 3.790

Conformer 2 (C*V)

Jump to S1C1
Energy calculated at B2PLYP/6-31+G**
 hartrees
Energy at 0K-90.492670
Energy at 298.15K-90.491804
HF Energy-90.422488
Nuclear repulsion energy17.536857
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B2PLYP/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 4125 3929 214.43      
2 Σ 1304 1242 165.02      
3 Π 87 83 181.06      
3 Π 87 83 181.06      

Unscaled Zero Point Vibrational Energy (zpe) 2801.8 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 2668.5 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B2PLYP/6-31+G**
B
1.27714

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.355
Be2 0.000 0.000 -1.036
H3 0.000 0.000 1.304

Atom - Atom Distances (Å)
  O1 Be2 H3
O11.39160.9484
Be21.39162.3400
H30.94842.3400

picture of beryllium monohydroxide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be2 O1 H3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.553      
2 Be 0.157      
3 H 0.396      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.240 1.240
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.238 0.000 0.000
y 0.000 -12.238 0.000
z 0.000 0.000 -11.122
Traceless
 xyz
x -0.558 0.000 0.000
y 0.000 -0.558 0.000
z 0.000 0.000 1.116
Polar
3z2-r22.231
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.613 0.000 0.000
y 0.000 4.613 0.000
z 0.000 0.000 4.411


<r2> (average value of r2) Å2
<r2> 14.416
(<r2>)1/2 3.797